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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10, Molecular Biology.

Multiple Choice Questions

1. Who was Dean of Liberal Arts at Missouri in 1940?
(a) Lewis Stadler.
(b) Frank Hanson.
(c) Barbara McClintock.
(d) W.C. Curtis.

2. When it became clear to Barbara that she could no longer stay at Missouri, what did she consider as a possible career?
(a) Botony.
(b) Geography.
(c) Geology.
(d) Meteorology.

3. Many mutations that were happening in the maize had never been seen before, and some of these involved gross changes in what?
(a) The arrangement of the chromosomes.
(b) The productivity of the corn itself.
(c) The nucleolus in the cells of the corn.
(d) The generation length.

4. What was the name of Edward Tatum and George Beadle's hypothesis?
(a) "Two genes-one enzyme".
(b) "One gene-one enzyme".
(c) "One gene-two enzymes".
(d) "Two genes-two enzymes".

5. In Drosophila a bacterium divide in two every how many minutes?
(a) Ten.
(b) Sixty.
(c) Twenty.
(d) Thirty.

Short Answer Questions

1. What is the word that is used to describe the joining of fragments that have broken off a chromosome?

2. Who was the President of the Carnegie Institution that Demerec urged Barbara to go talk to?

3. When the National Academy of Sciences elected Barbara McClintock as a member, how many other women before her had held that particular honor?

4. What did Barbara think wasn't solvable, but was "merely a symbol"?

5. When Barbara was taking a geology final when she was a Junior in college, what couldn't she remember?

(see the answer key)

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